34 21 320 Removing and installing/replacing both brake discs
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2019 MINI Cooper, 2018 MINI Cooper, 2017 MINI Cooper, 2016 MINI Cooper, and 2015 MINI Cooper. However, it is still accessible from the selected car via links, so may be relevant.
Special tools required:
IMPORTANT:
Brake discs must only be replaced in pairs (per axle).
Fit new brake discs only together with new brake pads.
Fit new brake discs only together with new brake pads.
Necessary preliminary tasks:
- Remove REAR BRAKE PADS .
Removal:
Release screws (1) and remove holder (2).
IMPORTANT:
When removing the brake disc: Do not
under any circumstances strike friction ring with a hammer or similar! If necessary, carefully tap with a rubber mallet against the brake disc chamber.
Release screw (1) and remove brake disc (2).
Installation:
Check minimum brake disc thickness:
- Position special tool 34 1 280 at three measuring points in area (1) and measure.
- Compare measuring result and also compare the lowest value.
IMPORTANT:
New brake pads may only be fitted if the brake disc thickness is greater than the MINIMUM BRAKE DISC THICKNESS (MIN TH)
.
Clean contact surface of wheel hub thoroughly and remove any traces of rust if necessary.
Irregularities in the contact surface can cause distortion in the brake disc!
Install brake disc (2).
Insert screw (1) and tighten down.
Tightening torque 34 21 1AZ .
Replace screw (1).
Parts: Screw
Attach holder (2).
Insert screws (1) and tighten.
Tightening torque 34 21 2AZ .
Required follow-up work:
- After completing repair work, read and comply with notes on BREAKING IN NEW BRAKE DISCS/BRAKE PADS .